The main reason these cards are desired by players, outside their playability, is the fact that many of the basic forms of these creatures feature adorable art, and Oshawott is one of the best examples of this in White Flare
But its tiring to progress to the next year, even if you skip days
In addition, the player has three types of decks during the game: Main deck
Essentially, you get to pick draw a card and lose a life plus another mode until you build up enough of a board to start ending the game with the third mode, dealing direct damage
Recently, I have been reintroduced to the game in the form of the digital version and spent quite a bit of time and money on it
Blue has an abundance of hand and library manipulation and green has lots of effects to discard creatures to and let us not forget Force of Will